they were there to remember krystle campbell. she was a restaurant manager, she was just 29 years old. the boston cardinal sean o'malley presided over the services. and tonight, a memorial service is going to be held for lingzi lu, a graduate student in math and statistics at boston university had just written her final exams and they have her degree ready for her. if you'd like to help the surviving bomb victims, 50 of whom are still in the hospital, go to cnn.com/impact. and we certainly urge that you do take a look at that website. charging the boston marathon bombing suspect, the officials could file charges at any moment. in fact, that is what we're waiting on, but exactly what charges is this young man going to be facing? he is certainly in a great deal of trouble. murder, terrorism, conspiracy, all in play. we're going to break down the possible list and how it may compare to another very infamous man, timothy mcveigh, it's all coming up. [ tires screech ] [ beeping ] ♪ [ male announcer ] we don't just certify our pre-ow